Use git model to detect whether branch exist instead of gitrepo method (#35459)

routers/web/repo/release.go

@@ -18,7 +18,6 @@ import (
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/git"
-	"code.gitea.io/gitea/modules/gitrepo"
 	"code.gitea.io/gitea/modules/markup/markdown"
 	"code.gitea.io/gitea/modules/optional"
 	"code.gitea.io/gitea/modules/setting"
@@ -424,7 +423,7 @@ func NewReleasePost(ctx *context.Context) {
 		return
 	}
 
-	if !gitrepo.IsBranchExist(ctx, ctx.Repo.Repository, form.Target) {
+	if exist, _ := git_model.IsBranchExist(ctx, ctx.Repo.Repository.ID, form.Target); !exist {
 		ctx.RenderWithErr(ctx.Tr("form.target_branch_not_exist"), tplReleaseNew, &form)
 		return
 	}